package com.zyx.shiro.realm;

import lombok.extern.slf4j.Slf4j;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;

/**
 * 自定义realm实现 将认证|授权数据的来源转为数据库的实现
 *
 * @author Yaxi.Zhang
 * @since 2022/7/29 20:14
 */
@Slf4j
public class CustomerRealm extends AuthorizingRealm {

    /**
     * 授权
     */
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
        log.info("==================");
        return null;
    }

    /**
     * 认证
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
        // 在token中获取用户名
        String principal = (String) token.getPrincipal();
        log.info(principal);
        // 根据身份信息使用jdbc mybatis查询相关数据库
        if ("xiaochen".equals(principal)) {
            // 参数1:返回数据库中正确的用户名
            // 参数2:返回数据库中正确密码
            // 参数3:提供当前realm的名字 this.getName()
            return new SimpleAuthenticationInfo(principal, "123", this.getName());
        }
        return null;
    }

}
